71181118343 has 2 divisors, whose sum is σ = 71181118344. Its totient is φ = 71181118342.

The previous prime is 71181118339. The next prime is 71181118361. The reversal of 71181118343 is 34381118117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71181118343 - 2² = 71181118339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71181118297 and 71181118306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71181118243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35590559171 + 35590559172.

It is an arithmetic number, because the mean of its divisors is an integer number (35590559172).

Almost surely, 2^71181118343 is an apocalyptic number.

71181118343 is a deficient number, since it is larger than the sum of its proper divisors (1).

71181118343 is an equidigital number, since it uses as much as digits as its factorization.

71181118343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The spelling of 71181118343 in words is "seventy-one billion, one hundred eighty-one million, one hundred eighteen thousand, three hundred forty-three".